Section: Engineering Mathematics | Marks: 1
The Fourier series of the periodic function ݂(ݔ) = |ݔ|, −1 < ݔ< 1, ݂(ݔ+ 2) = ݂(ݔ), ݔ Є ℝ is given by 1 2 − ∑ 4 cos(2݊−1)ߨݔ (2݊−1)2 ߨ2 ∞ =1 . Using the above, the sum of the infinite series 1 + ଵ ଷమ+ ଵ ହమ+ . . . is
- A. ߨ2 4
- B. ଷగమ
- C. గమ
- D. గమ ଶ